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National Stock Number:
5305-00-550-1507
Federal Supply Class:
5305
National Item Identification Number:
005501507
Description:
THUMBSCREW
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use SCREW (as modified) or BOLT (as modified).
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Manufacturer Information:
| 32W211 | 62265 | VOLVO TRUCKS NORTH AMERICA INC. DBA FOREIGN PARENT IS VOLVO LASTVAGNAR AB GOTEBORG SWEDEN. | | 389297 | 65282 | WHITE MOTOR CORP | | 5215381 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | N50251A | 56442 | DIAMOND REO TRUCK CO |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.490 INCHES MINIMUM AND | | 0.510 INCHES MAXIMUM | | FASTENER LENGTH | 0.490 INCHES MINIMUM AND | | 0.510 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | HEAD STYLE | THUMB NO. 4 | | HEAD HEIGHT | 0.490 INCHES MINIMUM AND | | 0.510 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.865 INCHES MINIMUM AND | | 0.885 INCHES MAXIMUM | | POINT STYLE | FLAT |
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